<span>The vaporization of br2 from liquid to gas state requires 7.4 k/cal /mol.</span>
Answer:
Covalent solids, also called network solids, are solids that are held together by covalent bonds. As such, they need localized electrons (shared between the atoms) and therefore the atoms are arranged in fixed geometries. Distortion far from this geometry can only occur through a breaking of covalent sigma bonds.
Answer:
It s a pure substance.
Explanation:
Can only be separated into its different elements by chemical means because it is connected by a chemical bond.
Answer:
400 K
Explanation:
Please see the step-by-step solution in the picture attached below.
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